DOWNLOAD Panasonic KX-TDA3168XJ / KX-TDA3168X (serv.man3) Service Manual ↓ Size: 452.67 KB | Pages: 17 in PDF or view online for FREE

Model
KX-TDA3168XJ KX-TDA3168X (serv.man3)
Pages
17
Size
452.67 KB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / EXTENSION CALLER ID CARD
File
kx-tda3168xj-kx-tda3168x-sm3.pdf
Date
PREV: Panasonic KX-TDA3168XJ / KX-TDA3168X (serv.man2) Service Manual / Supplement

Panasonic KX-TDA3168XJ / KX-TDA3168X (serv.man3) Service Manual / Supplement ▷ View online

1.5. BLOCK DIAGRAM
Change from the Original Service Manual Section 6
5
KX-TDA3168XJ / KX-TDA3168X
1.6. CIRCUIT DESCRIPTION
Change from the Original Service Manual Section 7.1.
This EXT-CID card generates the extension Caller ID signals (FSK signal) with the PBX main CPU control.
The data flow is shown below.
1.7. POWER SUPPLY
Change from the Original Service Manual Section 7.2.
+3.3V and +5V powers are supplied to this EXT-ICD card via 60 pins connector (CN101) from the PBX main board.
+3.3V power generates +2.5V by the DC/DC converter, and supplies this card´s internal circuit power.
The power supply system is shown below.
6
KX-TDA3168XJ / KX-TDA3168X
1.8. TROUBLESHOOTING GUIDE
Change from the Original Service Manual Section 8
Note:
If too much stress is applied to the PCBs, a soldering crack might happen.
So that, resoldering before replacing parts will be recommended.
7
KX-TDA3168XJ / KX-TDA3168X
8
KX-TDA3168XJ / KX-TDA3168X
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